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During the 1960s and 1970s, the annual number of people who visited
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22 Mar 2018, 09:14

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86%(01:16) correct 14%(01:21) wrong based on 101 sessions

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During the 1960s and 1970s, the annual number of people who visited the Saharan desert increased continually, and many new desert safari camp sites were built. Over the same period, however, the number of visitors to these desert camps who were caught in sand storms decreased, even though there was no reduction in the annual number of sand storms in the Saharan desert.

Which of the following, if true in the Saharan desert during the 1960s and 1970s, most helps to explain the decrease?

A.Sand storms were most likely to happen when a large amount of sand is displaced by strong winds B.Sand storms destroyed at least some buildings in the Saharan desert every year. C.People planning desert camping used increasingly accurate information about which locations are likely to be in the path of sand storms. D.The average length of stay for people visiting the Saharan desert increased slightly. E.Construction of desert camps often led to the clearing of vegetated areas that had helped prevent sand storms.

Re: During the 1960s and 1970s, the annual number of people who visited
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22 Apr 2018, 21:40

devikeerthansr wrote:

During the 1960s and 1970s, the annual number of people who visited the Saharan desert increased continually, and many new desert safari camp sites were built. Over the same period, however, the number of visitors to these desert camps who were caught in sand storms decreased, even though there was no reduction in the annual number of sand storms in the Saharan desert.

Which of the following, if true in the Saharan desert during the 1960s and 1970s, most helps to explain the decrease?

A.Sand storms were most likely to happen when a large amount of sand is displaced by strong winds

B.Sand storms destroyed at least some buildings in the Saharan desert every year.

C.People planning desert camping used increasingly accurate information about which locations are likely to be in the path of sand storms.

D.The average length of stay for people visiting the Saharan desert increased slightly.

E.Construction of desert camps often led to the clearing of vegetated areas that had helped prevent sand storms.

A, B and D are Irrelevant.

We are left with C and E. E says "Construction of desert camps often led to the clearing of vegetated areas that had helped prevent

sandstorms", and this is quite restrictive statement. Sand storms do not occur because of the vegetation near the desert camp only.

Re: During the 1960s and 1970s, the annual number of people who visited
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04 Sep 2018, 09:57

Quote:

During the 1960s and 1970s, the annual number of people who visited the Saharan desert increased continually, and many new desert safari camp sites were built. Over the same period, however, the number of visitors to these desert camps who were caught in sand storms decreased, even though there was no reduction in the annual number of sand storms in the Saharan desert.

Condition: During the 1960s and 1970s, the annual number of people who visited the Saharan desert increased continually, and many new desert safari camp sites were built.

The intended input: The annual number of people who visited the Saharan desert increased continually.

Unintended Outcome: The number of visitors to these desert camps who were caught in sand storms decreased, even though there was no reduction in the annual number of sand storms in the Saharan desert.

Quote:

Which of the following, if true in the Saharan desert during the 1960s and 1970s, most helps to explain the decrease?

Questions basically asks to resolve the above mentioned paradox.

A.Sand storms were most likely to happen when a large amount of sand is displaced by strong windsB.Sand storms destroyed at least some buildings in the Saharan desert every year.

Quote:

C.People planning desert camping used increasingly accurate information about which locations are likely to be in the path of sand storms.

If people already have accurate information about which locations are likely to be in the path of the sand storm, they are certain to avoid those paths. Hence leading to the aforementioned outcome.D.The average length of stay for people visiting the Saharan desert increased slightly.E.Construction of desert camps often led to the clearing of vegetated areas that had helped prevent sand storms.

gmatclubot

Re: During the 1960s and 1970s, the annual number of people who visited
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04 Sep 2018, 09:57